/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.type.descriptor.sql;
import java.sql.Clob;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.TimeZone;
import org.hibernate.engine.jdbc.LobCreator;
import org.hibernate.engine.jdbc.NonContextualLobCreator;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.StringTypeDescriptor;
import org.hibernate.type.descriptor.sql.ClobTypeDescriptor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
import org.hibernate.type.descriptor.sql.VarcharTypeDescriptor;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* @author Steve Ebersole
*/
public class StringValueMappingTest extends BaseUnitTestCase {
private final StringTypeDescriptor stringJavaDescriptor = new StringTypeDescriptor();
private final VarcharTypeDescriptor varcharSqlDescriptor = new VarcharTypeDescriptor();
private final ClobTypeDescriptor clobSqlDescriptor = ClobTypeDescriptor.DEFAULT;
private final WrapperOptions wrapperOptions = new WrapperOptions() {
public boolean useStreamForLobBinding() {
return false;
}
public LobCreator getLobCreator() {
return NonContextualLobCreator.INSTANCE;
}
public SqlTypeDescriptor remapSqlTypeDescriptor(SqlTypeDescriptor sqlTypeDescriptor) {
return sqlTypeDescriptor;
}
@Override
public TimeZone getJdbcTimeZone() {
return null;
}
};
public static final String COLUMN_NAME = "n/a";
public static final int BIND_POSITION = -1;
@Test
public void testNormalVarcharHandling() throws SQLException {
final ValueExtractor<String> extractor = varcharSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = varcharSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = "string value";
ResultSet resultSet = ResultSetProxy.generateProxy( fixture );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( fixture );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNullVarcharHandling() throws SQLException {
final ValueExtractor<String> extractor = varcharSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = varcharSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = null;
ResultSet resultSet = ResultSetProxy.generateProxy( fixture );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( fixture );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNormalClobHandling() throws SQLException {
final ValueExtractor<String> extractor = clobSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = clobSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = "clob string";
final Clob clob = new StringClobImpl( fixture );
ResultSet resultSet = ResultSetProxy.generateProxy( clob );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( clob );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNullClobHandling() throws SQLException {
final ValueExtractor<String> extractor = clobSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = clobSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = null;
final Clob clob = null;
ResultSet resultSet = ResultSetProxy.generateProxy( clob );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertNull( value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( clob );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
}